Zr - Zirconium - periodic table of the elements

Zirconium is a flamable metal and is not found as a metalic ore in nature. The metal has a unique property of being transparant to neutrons. Zirconium was discovered in 1789 by Martin Klaproth working in Berlin and the pure metal obtained by Berzelius in 1824 in Stockholm.

Atomic number	40		Density, g/mL	6	.49
Atomic weight,u	91	.22	Melting point, K	2125
Bonding radius, A	1	.45	Boiling point, K	4682
Atomic radius, A	2	.16	Heat of vaporization, kJ/mol	590	.88
Ionization Potential, V	7	.576	Heat of fusion, kJ/mol	11	.3
Electronegativity	1	.93	Specific heat, J/gK	0	.235
The oxide is amphoteric.			Crystal are face centered cubic.
Electron configuration: [Kr] 4d¹⁰ 5s¹

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

H He

Li Be B C N O F Ne

Na Mg Al Si P S Cl Ar

K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr

Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe

Cs Ba La* Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn

Fr Ra Ac* Rf Db Sg Bh Hs Mt 110 111 112 114

Lanthanides* Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu

Actinides ** Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr